Home / 2,440.40-3,660.60-1,792.40

Finding the Fourth Proportional to 2,440.40, 3,660.60 and 1,792.40

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Solution

The fourth proportional to 2,440.40, 3,660.60 and 1,792.40 is: 2,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.40 : 3,660.60 = 1,792.40 : x
  2. Step 2: Convert to fraction form
    2,440.40/3,660.60 = 1,792.40/x
  3. Step 3: Cross multiply
    2,440.40x = 3,660.60 × 1,792.40
  4. Step 4: Simplify right side
    2,440.40x = 6,561,259.44
  5. Step 5: Solve for x
    x = 6,561,259.44/2,440.40
  6. Step 6: Final answer
    x = 2,688.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.